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5000 BCE
5000 BC
The sumer form the first towns and cities. They use irrigation to farm large areas of land -
4000 BCE
4000 BC
The sumer establish powerful city stats building large ziggurats at the center of their cities as temples to their gods. -
3500 BCE
3500 BC
Much of lower Mesopotamia is inhabited by numerous Sumer city-states such as Ur, Uruk, Eridu, Kish, Lagash, and Nippur. -
3300 BCE
3300 BC
The Sumerians invent the first writing. They use pictures for words and inscribe them on clay tablets. -
3200 BCE
3200 BC
The Sumerians begin to use the wheel on vehicles. -
3000 BCE
3000 BC
The Sumerians start to implement mathematics using a number system with the base 60.